new bayer migraine formula. >> building inspectionors in massachusetts trying to figure out what caused a massive gas explosion. the blast damaged more than 40 homes in springfield. 20 people are hurt, including several emergency workers. a nearby day care center was closed at the time. gas company workers arrived an hour before the explosion to investigate a possible leak. >> in egypt, protests are growing against muhammad morsi, morsi giving himself near absolute power. the judges calling for a strike and protests until the decree is removed. morsi warns of possible military intervention. ner. now back to fox files. >>> ♪ >> what does a famous hollywood actress, a tough fearless hockey player, and a woman who grew up in the 1930s have in common? they are all in the center of a medical mystery which may effect 3 million people living in the united states. we begin with jennifer esposito's story. >> you are new york girl all of the way. >> i am. born in brooklyn and raised in staten island. i wanted to come to the city and start my acting career. >> growing up in a middle class family